Re: Iterate over std::vector from LUA.

Ilia,

I read it many times. First it is not clear for me what class A is. There is 
no its declaration not in module[]. Second, I would like to use iteration 
with typedef declaration (typedef std::vector<> X), but in the sample, 
std::vector is a member of class.

Thanks,
Valery.

----- Original Message ----- 
From: "Ilia Trendafilov" <[email protected]>
To: <[email protected]>
Sent: Thursday, June 04, 2009 12:18 PM
Subject: Re: [luabind] Iterate over std::vector from LUA.


Hi,

You should use the return_stl_iterator policy
There's an example in the documentation:
http://www.rasterbar.com/products/luabind/docs.html#return-stl-iterator

Ilia


On Thu, Jun 4, 2009 at 10:25 AM, Valery <[email protected]> wrote:
> Hello,
>
> I would like to iterate over std::vector from LUA. The vector contains my
> simple class. I tryed many ways, but no success. My last simple version
> returns "No such operator defined". I tryed return_stl_iterator, but it is
> not clear for me how to use it, because my VectorOfA is typedef and not an
> other class with the member.
>
> Can anybody help?
> Thanks,
> Valery.
>
> .cpp
>
> class A
> {
> int _i;
> public:
> A() : _i(0){}
> A(int i) : _i(i){}
> int get() {return _i;}
> };
> typedef std::vector< A > VectorOfA;
>
> module(L)
> [
> class_<A>("A")
> .def(constructor<>())
> .def(constructor<int>())
> .def("get", &A::get),
> class_<VectorOfA>("VectorOfA")
> .def(constructor<>())
> ];
>
> .lua
>
> function test_iter()
> local x = VectorOfA()
> for i in x do
> print(i:get())
> end
> end
>
>
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OpenSolaris 2009.06 is a cutting edge operating system for enterprises
looking to deploy the next generation of Solaris that includes the latest
innovations from Sun and the OpenSource community. Download a copy and
enjoy capabilities such as Networking, Storage and Virtualization.
Go to: http://p.sf.net/sfu/opensolaris-get
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------------------------------------------------------------------------------
OpenSolaris 2009.06 is a cutting edge operating system for enterprises 
looking to deploy the next generation of Solaris that includes the latest 
innovations from Sun and the OpenSource community. Download a copy and 
enjoy capabilities such as Networking, Storage and Virtualization. 
Go to: http://p.sf.net/sfu/opensolaris-get